 
 (defn render-navigation-bar-section
     "Renders whole navigation bar."
-    [word user-name url-prefix]
+    [word user-name url-prefix zw-mode]
     [:nav {:class "navbar navbar-inverse navbar-fixed-top" :role "navigation"}
         [:div {:class "container-fluid"}
             [:div {:class "row"}
                 [:div {:class "col-md-1"}
                     [:div {:class "navbar-header"}
-                        [:a {:href url-prefix :class "navbar-brand"} "zg"]
+                        [:a {:href url-prefix :class "navbar-brand"} (if zw-mode "zw" "zg")]
                     ] ; ./navbar-header
                 ] ; col ends
                 [:div {:class "col-md-3"}

    ))

(defn render-user-info
    [user-name changes url-prefix]
    (page/xhtml
        (render-html-header nil url-prefix)
        [:body
            [:div {:class "container"}
                (render-navigation-bar-section nil user-name url-prefix)
                [:h1 (str "Changes made by " user-name)]

                [:br]

    ))

(defn render-users
    [user-name statistic changes url-prefix zw-mode]
    (page/xhtml
        (render-html-header nil url-prefix zw-mode)
        [:body
            [:div {:class "container"}
                (render-navigation-bar-section nil user-name url-prefix zw-mode)

                [:table {:class "table table-stripped table-hover" :style "width:auto"}
                    [:tr [:th "User name"]
